Rapid synthesis of CNTs@MIL-101(Cr) using multi-walled carbon nanotubes (MWCNTs) as crystal growth accelerator

Qing Wang; Shengqiang Wang; Hongbing Yu

doi:10.1016/j.cjche.2016.04.029

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Rapid synthesis of CNTs@MIL-101(Cr) using multi-walled carbon nanotubes (MWCNTs) as crystal growth accelerator

第25届中国过程控制会议专栏 | Updated：2026-01-06

- Rapid synthesis of CNTs@MIL-101(Cr) using multi-walled carbon nanotubes (MWCNTs) as crystal growth accelerator
- Chinese Journal of Chemical Engineering Vol. 24, Issue 10, Pages: 1481-1486(2016)
- Affiliations：
  
  2 School of Chemistry and Chemical Engineering, Xinjiang Normal University,Xinjiang,China,830054
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2016.04.029
  CLC：
- Published：2016
- Accepted：
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Qing Wang, Shengqiang Wang, Hongbing Yu. Rapid synthesis of CNTs@MIL-101(Cr) using multi-walled carbon nanotubes (MWCNTs) as crystal growth accelerator[J]. Chin.J.Chem.Eng., 2016, 24(10): 1481-1486.
DOI：

Qing Wang, Shengqiang Wang, Hongbing Yu. Rapid synthesis of CNTs@MIL-101(Cr) using multi-walled carbon nanotubes (MWCNTs) as crystal growth accelerator[J]. Chin.J.Chem.Eng., 2016, 24(10): 1481-1486. DOI： 10.1016/j.cjche.2016.04.029.

摘要

Abstract

In this work

hybrid material CNTs@MIL-101(Cr) was synthesized in 2 h using multi-walled carbon nanotubes (MWCNTs) as the crystal growth accelerator with hydrothermalmethod. The characteristic differences between the crystals of CNTs@MIL-101(Cr) and MIL-101were investigated by N2 adsorption-desorption isotherms

X-ray diffraction (XRD)

scanning electron microscope (SEM) and thermogravimetric analyzer (TGA). The results showed that MWCNTs embedding in the hybrid material provide more mesoporous volumes than that of MIL-101. Moreover

the fast synthesized crystals of CNTs@MIL-101(Cr) still preserve the octahedral shape like MIL-101 and have a larger size ranging from 1.5 to 2.0 μm which were approximately three times larger than that of MIL-101. In the proposed mechanism

the roles of MWCNTs played in the crystallization were discussed where MWCNTs can be seen as coaxial cylindrical tubes composed of multi-layer graphenes and the place where nucleation and crystal growth processes occur at the tubes' out surface. Then

a crystal seeding layer bonding with the MWCNTs may be easily formed which accelerates the growth rate of MIL-101 crystals. Thus

larger crystals of CNTs@MIL-101(Cr) were formed due to the faster crystal growth rate of MIL-101.

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